55019050 has 12 divisors (see below), whose sum is σ = 102335526. Its totient is φ = 22007600.

The previous prime is 55019047. The next prime is 55019053. The reversal of 55019050 is 5091055.

It is an interprime number because it is at equal distance from previous prime (55019047) and next prime (55019053).

It can be written as a sum of positive squares in 3 ways, for example, as 39075001 + 15944049 = 6251^2 + 3993^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (55019053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550141 + ... + 550240.

Almost surely, 2^55019050 is an apocalyptic number.

55019050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55019050 is a deficient number, since it is larger than the sum of its proper divisors (47316476).

55019050 is a wasteful number, since it uses less digits than its factorization.

55019050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100393 (or 1100388 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 55019050 is about 7417.4827266398. The cubic root of 55019050 is about 380.3391478226.

It can be divided in two parts, 550 and 19050, that added together give a square (19600 = 140²).

The spelling of 55019050 in words is "fifty-five million, nineteen thousand, fifty".